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Hops
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color photographs
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Oregon >> United States
149
Corvallis >> Benton County >> Oregon >> United States
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149
Local Collection Name
Agricultural Experiment Station Records, 1889-2002 (RG 025)
149
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OSU Special Collections & Archives Research Center
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Oregon Hops & Brewing Archives
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Oregon State University
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1930-1939
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1940-1949
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1960-1969
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Local Collection Name
Agricultural Experiment Station Records, 1889-2002 (RG 025)
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21.
Dinitro-o-cyclohexyl phenol dust injury to baby hop plant
Description
East Farm, Corvallis, Oregon. From the report, "Investigation on the control of hop pests 1939," by HE Morrison
22.
Adult Diabrotica soror
Description
From the report "Hop pests and their control, biennium 1937-1938," by HE Morrison
23.
Crown gall disease
Description
Plant roots with disease
24.
A bastard or sexless plant produces flowers
25.
A bastard or sexless plant produces flowers
26.
Cotyledon of seedling infected with mildew
27.
Dinitro-o-cyclohexyl phenol burn on hop foliage of Russian variety Serebrianka, 1939
Description
From the report, "Investigation on the control of hop pests 1939," by HE Morrison
28.
Dusting for red spider control, experimental hop yard
Description
East Farm, Corvallis OR From the report "Investigation on the control of hop pests 1939," by HE Morrison
29.
Rear view of bean dual hop duster
Description
"Note dust does not reach tops of hop vines." From the report, "Hop pests and their control, 1941," by HE Morrison, Irwin Marks, Dan Bonnell
30.
Dust mixing machine
Description
East Farm, Corvallis. From the report "Investigation on the control of hop pests 1939," by HE Morrison
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